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Acute radiation syndrome — Clinical Guidelines

Overview

Acute radiation syndrome (ARS) results from exposure to high doses of ionizing radiation, affecting multiple organs primarily including bone marrow, skin, and the gastrointestinal tract, leading to multiorgan dysfunction and failure 2.

Diagnosis

Prodromal Phase: Nausea, vomiting, fatigue 2.

Latency Phase: Variable duration depending on dose 2.

Critical Phase: Manifestations include hematopoietic, gastrointestinal, and cutaneous syndromes 2.

Diagnostic Tools: Impedance measurement-based hematology analyzers, BAT, WinFRAT, H-module for dose assessment and health effect prediction 1 6.

Biomarkers: Plasma proteomic and hematological markers for severity assessment 12.

Clinical Scoring: European Response Category (RC) for integrative assessment 14.

Management

Hematopoietic Syndrome: Granulocyte colony-stimulating factor (G-CSF) and granulocyte-macrophage colony-stimulating factor (GM-CSF) for bone marrow recovery 8 18.

Infection Prevention: Antibiotics to prevent sepsis during neutropenia 18.

Fluid Resuscitation: Aggressive hydration to manage gastrointestinal symptoms 2.

Poly-pharmacy Approach: Investigating combination therapies targeting multiple organ systems 8.

Growth Factors and Cytokines: Use of growth factors and cytokines to mitigate radiation-induced injuries 10 11.

Stem Cell Therapy: Emerging role in managing multiorgan failure 16.

Special Populations

Pediatrics: Emphasis on minimizing radiation exposure through protocols like "Image Gently" 15.

Comorbidities: Tailored management considering additional health conditions, though specific guidelines are not detailed in provided abstracts 14.

Key Recommendations

Utilize diagnostic tools like H-module and WinFRAT for rapid assessment of radiation exposure and potential ARS severity (Evidence: Moderate) 1 6.

Implement aggressive supportive care including fluid resuscitation and prophylactic antibiotics to manage hematopoietic and infectious complications (Evidence: Moderate) 2 18.

Consider poly-pharmacy approaches and growth factors for comprehensive treatment of ARS syndromes (Evidence: Weak) 8 11.

Prioritize radiation safety protocols, especially in pediatric populations, to minimize exposure (Evidence: Expert opinion) 15.

References

1 Orben T, Matsui T, Suzuki K, Kinoshita M, Hermann C, Lamkowski A et al.. Influence of Cell Size Changes after Irradiation on Reliability of an Impedance Measurement-based Hematology Analyzer. Radiation research 2026. link 2 Arnautou P, Garnier G, Maillot J, Konopacki J, Brachet M, Bonnin A et al.. Management of acute radiation syndrome. Transfusion clinique et biologique : journal de la Societe francaise de transfusion sanguine 2024. link 3 Ebeling M, Bloom A, Boggiano MM, Peterson DT, Peterson T. Employing High-Fidelity Simulation for the High-Risk, Low-Frequency Diagnosis and Management of Acute Radiation Syndrome (ARS). MedEdPORTAL : the journal of teaching and learning resources 2023. link 4 Gibbs A, Gupta P, Mali B, Poirier Y, Gopalakrishnan M, Newman D et al.. A C57L/J Mouse Model of the Delayed Effects of Acute Radiation Exposure in the Context of Evolving Multi-Organ Dysfunction and Failure after Total-Body Irradiation with 2.5% Bone Marrow Sparing. Radiation research 2023. link 5 Kaatsch HL, Schneider J, Brockmann C, Brockmann MA, Overhoff D, Becker BV et al.. Radiation exposure during angiographic interventions in interventional radiology - risk and fate of advanced procedures. International journal of radiation biology 2022. link 6 Lamkowski A, Combs SE, Abend M, Port M. Training of clinical triage of acute radiation casualties: a performance comparison of. Journal of radiological protection : official journal of the Society for Radiological Protection 2021. link 7 Ferguson RW, Barnett DJ, Kennedy RD, Sell TK, Wieder JS, Spannhake EW. Developing an instrument to measure household radiological emergency preparedness using the Community Assessment for Public Health Emergency Response (CASPER) methodology: An evidence-informed approach. Journal of emergency management (Weston, Mass.) 2021. link 8 Taliaferro LP, Cassatt DR, Horta ZP, Satyamitra MM. Meeting Report: A Poly-Pharmacy Approach to Mitigate Acute Radiation Syndrome. Radiation research 2021. link 9 Tanigawa K. Case review of severe acute radiation syndrome from whole body exposure: concepts of radiation-induced multi-organ dysfunction and failure. Journal of radiation research 2021. link 10 Horta ZP, Case CM, DiCarlo AL. Use of Growth Factors and Cytokines to Treat Injuries Resulting from a Radiation Public Health Emergency. Radiation research 2019. link 11 DiCarlo AL, Horta ZP, Aldrich JT, Jakubowski AA, Skinner WK, Case CM. Use of Growth Factors and Other Cytokines for Treatment of Injuries During a Radiation Public Health Emergency. Radiation research 2019. link 12 Blakely WF, Bolduc DL, Debad J, Sigal G, Port M, Abend M et al.. Use of Proteomic and Hematology Biomarkers for Prediction of Hematopoietic Acute Radiation Syndrome Severity in Baboon Radiation Models. Health physics 2018. link 13 Moroni M, Coolbaugh TV, Lombardini E, Mitchell JM, Moccia KD, Shelton LJ et al.. Hematopoietic radiation syndrome in the Gottingen minipig. Radiation research 2011. link 14 Drouet M, Hérodin F. Radiation victim management and the haematologist in the future: time to revisit therapeutic guidelines?. International journal of radiation biology 2010. link 15 Sidhu M, Goske MJ, Connolly B, Racadio J, Yoshizumi TT, Strauss KJ et al.. Image Gently, Step Lightly: promoting radiation safety in pediatric interventional radiology. AJR. American journal of roentgenology 2010. link 16 Fliedner TM, Chao NJ, Bader JL, Boettger A, Case C, Chute J et al.. Stem cells, multiorgan failure in radiation emergency medical preparedness: a U.S./European Consultation Workshop. Stem cells (Dayton, Ohio) 2009. link 17 Fliedner TM. Nuclear terrorism: the role of hematology in coping with its health consequences. Current opinion in hematology 2006. link 18 Hérodin F, Drouet M. Cytokine-based treatment of accidentally irradiated victims and new approaches. Experimental hematology 2005. link 19 Viscomi S, Shu KM, Blinder EM, MacKenzie JD, Ledbetter S, Rybicki FJ. Quantification of clinical consultations in academic emergency radiology. Academic radiology 2004. link 20 Kindler H, Densow D, Baranov AE, Fliedner TM, Peter RU. A multimedia database for dermatology. Studies in health technology and informatics 1998. link 21 Kindler H, Peter RU, Baranov AE, Fliedner TM, Densow D. Providing dermatological photographs using the multimedia extension of the international computer database for radiation accident case histories. International journal of medical informatics 1998. link00086-0)

Acute radiation syndrome